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715401 = 32292741
BaseRepresentation
bin10101110101010001001
31100100100100
42232222021
5140343101
623200013
76036501
oct2565211
91310310
10715401
11449545
122a6009
131c081b
14148a01
15e1e86
hexaea89

715401 has 12 divisors (see below), whose sum is σ = 1069380. Its totient is φ = 460320.

The previous prime is 715397. The next prime is 715417. The reversal of 715401 is 104517.

715401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 291600 + 423801 = 540^2 + 651^2 .

It is not a de Polignac number, because 715401 - 22 = 715397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (89115).

2715401 is an apocalyptic number.

It is an amenable number.

715401 is a deficient number, since it is larger than the sum of its proper divisors (353979).

715401 is a wasteful number, since it uses less digits than its factorization.

715401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2773 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 715401 is about 845.8138092985. The cubic root of 715401 is about 89.4368540154.

Adding to 715401 its reverse (104517), we get a palindrome (819918).

The spelling of 715401 in words is "seven hundred fifteen thousand, four hundred one".

Divisors: 1 3 9 29 87 261 2741 8223 24669 79489 238467 715401